chromium/components/sync/engine/data_type_processor.h

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_SYNC_ENGINE_DATA_TYPE_PROCESSOR_H_
#define COMPONENTS_SYNC_ENGINE_DATA_TYPE_PROCESSOR_H_

#include <memory>
#include <optional>
#include <vector>

#include "base/functional/callback_forward.h"
#include "components/sync/engine/commit_and_get_updates_types.h"

namespace sync_pb {
class DataTypeState;
class DataTypeState_Invalidation;
class GarbageCollectionDirective;
}  // namespace sync_pb

namespace syncer {
class CommitQueue;

// Interface used by sync backend to issue requests to a synced data type.
// Actual implementations live on the model sequence, but there's typically a
// proxy object on the sync sequence for use by the DataTypeWorker.
class DataTypeProcessor { … };

}  // namespace syncer

#endif  // COMPONENTS_SYNC_ENGINE_DATA_TYPE_PROCESSOR_H_